How far is Dannemora, NY from Smithtown, NY?
The driving distance from Dannemora, NY to Smithtown, NY is about 358.4 miles (576.8 km), with a travel time of about 06h 05m by car.
- The straight-line flight distance is about 268.4 miles (431.9 km).
- For a round trip, plan for roughly 12h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 06h 05m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Rockland County, New York, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Dannemora and Smithtown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dannemora and Smithtown.
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1
Start on Emmons Street
37 m · 5 sec · Emmons Street
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2
Turn right onto Cook Street
9.8 mi · 16 min · Cook Street
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3
Turn right onto Military Turnpike
1.8 mi · 2 min · Military Turnpike
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4
Turn left onto State Route 3
1.6 km · 2 min · State Route 3
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5
Take the ramp right
1575 ft · 38 sec
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6
Keep slight right
2094 ft · 51 sec
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7
Merge slight left onto Adirondack Northway
152 mi · 2 hr 57 min · Adirondack Northway
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8
Keep slight right to continue on I 87 South, I 90: Boston, Albany, New York, Buffalo
1694 ft · 32 sec
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9
Continue on I 87 South, I 90 West: New York, Buffalo
2619 ft · 51 sec
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10
Keep slight right to continue on I 87 South: New York
117.8 mi · 2 hr 17 min
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11
Keep slight right to continue on I 287 South, NJ 17 South: New Jersey
1.5 km · 60 sec
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12
Continue straight
2496 ft · 39 sec
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13
Keep slight left to continue on NJ 17 South: Mahwah
14.1 mi · 19 min
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14
Take the exit slight right toward NJ 4, GSP South: Paterson, Fort Lee, New York
566 ft · 19 sec
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15
Keep slight left to continue on NJ 4 East: Fort Lee, New York
2455 ft · 1 min
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16
Merge slight left
1417 ft · 24 sec
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17
Continue straight
6.4 mi · 9 min
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18
Take the exit slight left toward I 95 North: George Washington Bridge
1124 ft · 18 sec
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19
Merge slight left
1.2 km · 55 sec
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20
Keep slight left
1.3 km · 1 min
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21
Continue on George Washington Bridge (upper level)
3174 ft · 1 min · George Washington Bridge (upper level)
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22
Continue on Trans-Manhattan Expressway
1.2 km · 1 min · Trans-Manhattan Expressway
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23
Continue on Cross Bronx Expressway
4.7 mi · 6 min · Cross Bronx Expressway
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24
Keep slight right to continue on Cross Bronx Expressway
2 mi · 3 min · Cross Bronx Expressway
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25
Merge slight left onto Throgs Neck Expressway
3271 ft · 58 sec · Throgs Neck Expressway
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26
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
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27
Continue on Clearview Expressway
3.2 mi · 3 min · Clearview Expressway
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28
Take the exit slight right toward I 495: Manhattan, Eastern Long Island
810 ft · 28 sec
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29
Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island
1448 ft · 39 sec
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30
Merge slight left onto Long Island Expressway
14.2 mi · 20 min · Long Island Expressway
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31
Take the exit slight right toward N East: Hauppauge
2144 ft · 53 sec
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32
Merge slight left onto Northern State Parkway
13.7 mi · 19 min · Northern State Parkway
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33
Take the exit slight right toward SM North: Kings Park
1052 ft · 26 sec
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34
Merge slight left onto Sagtikos State Parkway
152 m · 6 sec · Sagtikos State Parkway
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35
Continue on Sunken Meadow State Parkway
1.7 mi · 2 min · Sunken Meadow State Parkway
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36
Take the exit slight right toward NY 25 East: Jericho Turnpike East, Smithtown
1170 ft · 31 sec
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37
Turn slight right onto Jericho Turnpike
3.9 mi · 6 min · Jericho Turnpike
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38
Continue on West Main Street
3144 ft · 55 sec · West Main Street
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39
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Dannemora and Smithtown.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Adirondack Northway
Merge slight left onto Adirondack Northway
152 mi · 02h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Dannemora and Sunny near Smithtown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dannemora to Smithtown?
The road trip is about 358.4 miles (576.8 km) and usually takes 06h 05m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Stony Point is a useful midpoint, sitting about 178.3 miles from Dannemora and 180.1 miles from Smithtown.
How much longer is the road route than the straight-line distance?
The direct path is about 268.4 miles (431.9 km), while the road route adds roughly 90 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $56.27 one way or $112.53 round trip. Estimated CO2 is about 112.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Dannemora and Sunny near Smithtown.
Stop Ideas Near Stony Point
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Stony Point.
Albany–Rensselaer
Hudson
Schenectady
Joseph Scelsi Intermodal Transportation Center
Flight Path Map
This map shows the direct air route between Dannemora and Smithtown. Straight-line distance: 268.39 mi (431.94 km).
#1 Dannemora
Town in New York, USA
| Population | 3,512 |
| Coordinates | 44.7214300, -73.7237500 |
| Altitude | 431 |
| Country | United States |
#2 Smithtown
Census-designated place in Suffolk County, New York
| Population | 110,876 |
| Coordinates | 40.8559300, -73.2006700 |
| Altitude | 18 |
| Country | United States |
End: West Main Street (-73.200729, 40.855811)
Estimated Travel Time
Distance: 577 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 56m |
| 40 mph (64.37 km/h) | 08h 57m |
| 50 mph (80.47 km/h) | 07h 10m |
| 60 mph (96.56 km/h) | 05h 58m |
| 70 mph (112.65 km/h) | 05h 07m |
| 80 mph (129 km/h) | 04h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $56.27 | $112.53 |
| Mid-grade | $4.98 | $63.02 | $126.04 |
| Premium | $5.38 | $68.08 | $136.16 |
| Diesel | $6.51 | $82.34 | $164.68 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New York · Oct 15, 2026